@article{02206535, title = {Periodic maps of composite order on positive definite 4-manifolds.}, journal = {Geometry \& Topology}, volume = {5}, year = {2005}, pages = {315-339}, doi = {10.2140/gt.2005.9.315}, zbl = {1087.57024}, language = {en}, url = {http://dml.mathdoc.fr/item/02206535} }
Edmonds, Allan L. Periodic maps of composite order on positive definite 4-manifolds.. Geometry & Topology, Tome 5 (2005) pp. 315-339. doi : 10.2140/gt.2005.9.315. http://gdmltest.u-ga.fr/item/02206535/